Auth bypass in Jenkins Mcp Server
CVE-2025-64132
Jenkins MCP Server Plugin 0.84.v50ca_24ef83f2 and earlier does not perform permission checks in multiple MCP tools, allowing attackers to trigger builds and obtain information about job and cloud configuration they should not be able to access.
Vulnerability class: Broken Access Control
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.002 (14.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 14th percentile — 14.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
Affected products
- Jenkins Mcp Server
- Jenkins Project Mcp Server Plugin — versions 0
Weakness classification (CWE)
References
- www.jenkins.io/security/advisory/2025-10-29/ (vendor-advisory, Vendor Advisory)
- af854a3a-2127-422b-91ae-364da2661108 (Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2025-64132?
- CVE-2025-64132 is a medium-severity vulnerability in Jenkins Mcp Server, classified under Missing Authorization. CVSS score: 5.4/10. Published 2025-10-29.
- How severe is CVE-2025-64132?
- Medium severity. CVSS v3 base score is 5.4 out of 10.